Bloomberg | 5 ways the oil price slump today is different from 30 years ago Houston Business Journal Shale oil production was not commercialized 30 years ago. Before the technical means to extract oil from shale was commercially mature, big discoveries came from remote areas and took years to reach sales. Two decades passed between a fisherman first ... Oil Falls for Second Day With OPEC Seen Adding to Glut UPDATE 9-Oil down 2nd day, weekly gain cut on Saudi output worry Oil prices fall as Saudis could boost output |